-- 22-year-old Britta gets her $2,500 bank account and her $4,000 in jewelry.

TMZ broke the story, the couple filed jointly for divorce in an Alaskan court ... which means they have fully settled their property and custody issues, including child support for their 1-year-old daughter.

According to the doc, Track rakes in $42,800 a year -- and has agreed to pay $642 a month in child support. Track and Britta have agreed to split any other child-related expenses, including medical and travel.